Asteroids and meteorites reveal family resemblance

Asteroids and meteorites are supposed to be made of the same stuff – at least that's what earth science teachers have been telling their students for decades. But until re-cently, the data didn't quite fit the story. When researchers compared the near-infrared reflectance of asteroids (as measured from Earth) and meteorites (collected on Earth) they found enough differences to raise doubts about whether the asteroids really could be the source of Earth's meteorites.

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<p><a href="http://www.physorg.com/news76939109.html">Asteroids and meteorites reveal family resemblance</a></p> <p>Asteroids and meteorites are supposed to be made of the same stuff – at least that's what earth science teachers have been telling their students for decades. But until re-cently, the data didn't quite fit the story. When researchers compared the near-infrared reflectance of asteroids (as measured from Earth) and meteorites (collected on Earth) they found enough differences to raise doubts about whether the asteroids really could be the source of Earth's meteorites.</p>